Do you know ____the Olympic Games are held?

Do you know ____the Olympic Games are held? DO you know（ ）Asian Olympic Games was held in Guangzhou Chin The Olympic Games are held How often are the Olympic Games held? the Olympic Games are held once ___ How much do you know about Olympic Games? Do you know anything about the Olympic games(同义句)? What do you know about the Olympic Games? How much do you know about the Olympic Games? why do you think The Olympic Games are important The winter Olympic games are held every four years 选择：How often are the Olympic Games held?